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Recent content by wilder9032

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    Air Switching Valve p2440

    My 2006 pontiac grand prix is getting code p2440 air switching valve stuck open does anyone know where is located on the 3.8liter? also if anyone has or knows where to get a diagram of the emissions for this car?
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    bad gas milage

    my 06 grand prix is only getting average on the computer 17.7mpg is that normal? what could I do to get it better just cleaned the mas. it is the 3.8 liter base model
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    EGR Valve Stuck?

    Hi, I have a 2006 Pontiac Grand Prix 3.8 liter. A couple weeks ago my check engine light came on reading code P0411 (secondary air intake) so I replaced the air pump. I reset the code and the light came back on. I have finally to it to a shop and they hooked it up to a computer and it is saying...
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    tach jumps

    I have a 2006 Pontiac grand prix with the 3.8 and when I am on the highway right around 68 - 72 my tach starts jumping and the car feels like it is jerkyin but than it stops and might not to it agian for a while. I was reading online that it might be a vss (vehicale speed sensor)??? also if...
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